IMPALA-4539: [DOCS] Add known issue for uncompressed Parquet correctness
IMPALA-4539: [DOCS] Add known issue for uncompressed Parquet correctness

Change-Id: I731eb0e029dc3cc251f4df0c5a8ad281c81595cb
Reviewed-on: http://gerrit.cloudera.org:8080/8418
Reviewed-by: Tim Armstrong <2f8e34250f03a653da3dc27f7ec203eafdde80fc@cloudera.com>
Tested-by: Impala Public Jenkins

cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala